Beacon



FIG. 1 is a front perspective view of a beacon showing our new design;

FIG. 2 is a right side perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a left elevation view thereof;

FIG. 5 is a right elevation view thereof, the right side elevation view being a mirror of the left side elevation view;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

CLAIM The ornamental design for a beacon, as shown and described. 